package hpp.test;

import java.util.Scanner;

/**
 * Created by hpp on 2017/9/13.
 */
public class Shengao {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        while (in.hasNext()) {
            int n = in.nextInt();
            int[] arr = new int[n];
            for (int i = 0; i < n; i++) {
                arr[i] = in.nextInt();
            }
            charge(arr);
        }

    }

    public static void charge(int[] A) {

        int a = 0;
        int b = 0;


    }

}
